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A230891 as a simple table

na(n)
00
111
21
310
4100
5111
61000
7101
8110
91001
101010
111100
121111
1310000
141011
151101
161110
1710001
1810010
1910100
2010111
2111000
2211011
2311101
2411110
25100000
2610011
2710101
2810110
2911001
3011010
3111100
3211111
33100001
34100010
35100100
36100111
37101000
38101011
39101101
40101110
41110000
42110011
43110101
44110110
45111001

[0,11,1,10,100,111,1000,101,110,1001,1010,1100,
 1111,10000,1011,1101,1110,10001,10010,10100,10111,
 11000,11011,11101,11110,100000,10011,10101,10110,
 11001,11010,11100,11111,100001,100010,100100,
 100111,101000,101011,101101,101110,110000,110011,
 110101,110110,111001]